Patent Assignment
Reel/Frame 003858/0155
Assignment of Assignors Interest.
Recorded: 1981-02-27
Pages: 1
Assignor
TIMME ALBERT C. JR.
Executed: 1981-02-16
Assignee
HUGHES TOOL COMPANY, A CORP. OF DE
HOUSTON,, TEXAS
Covered Property
(1)
Tool Joint Bench Mark
Patent:
4,438,953 →
Application:
06/238,720 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
May 15, 1984
From: HUGHES TOOL COMPANY
To: HUGHES TOOL COMPANY - USA A CORP OF
Reel/Frame 004269/0060 →
Assignment of Assignors Interest.
Aug 14, 1989
From: HUGHES TOOL COMPANY, - USA, A DE. CORP.
To: BAKER HUGHES, INC., A DE. CORP.
Reel/Frame 005161/0030 →
Assignment of Assignors Interest.
Dec 5, 1990
From: BAKER HUGHES INCORPORATED
To: BH TOOL JOINTS, INC., A CORP. OF TX
Reel/Frame 005570/0504 →
Merger and Change of Name November 02, 1990 Delaware
Jun 20, 1991
From: BH TOOL JOINTS, INC. A CORP. OF TEXAS MERGED WITH AND INTO EVI TJ, INC. A CORP. OF DELAWARE
To: BH TOOL JOINTS, INC. A CORP. OF TEXAS
Reel/Frame 005741/0538 →
Assignment of Assignors Interest.
Jan 17, 1992
From: BH TOOL JOINTS, INC.
To: GRANT TFW, INC.
Reel/Frame 005974/0246 →
Change of Name
Jan 8, 2001
From: GRANT TFW, INC.
To: GRANT PRIDECO, INC.
Reel/Frame 011436/0249 →
Assignment of Assignor's Interest
Jan 17, 2001
From: GRANT PRIDECO, INC.
To: GRANT PRIDECO, L.P.
Reel/Frame 011449/0400 →